Inventor

WANG XINGWEN

CN4 patents

⚠️ This page may combine multiple inventors who share the name “WANG XINGWEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CRRC NANJING PUZHEN CO LTD

2 patents

US11964679B2Apr 23, 2024

Underframe end structure without bolster beam for rail vehicle

CRRC NANJING PUZHEN CO LTD0 citations52

US12202530B2Jan 21, 2025

Intermediate car electric coupler control circuit for subway vehicle

CRRC NANJING PUZHEN CO LTD0 citations47

CHINA PETROLEUM & CHEM CORP

1 patent

US12486753B2Dec 2, 2025

Wellbore staged operation method and rubber plug for said method

CHINA PETROLEUM & CHEM CORP0 citations44

PETAL CLOUD TECHNOLOGY CO LTD

1 patent

US12314531B2May 27, 2025

Application classification method, electronic device, and chip system

PETAL CLOUD TECHNOLOGY CO LTD0 citations33